Hi Laurent, Thank you for your feedback! > From: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Sent: 02 August 2019 09:04 > Subject: Re: [PATCH/RFC 04/12] dt-bindings: display: Add bindings for Advantech IDK-2121WR > > Hi Fabrizio, > > Thank you for the patch. > > On Fri, Aug 02, 2019 at 08:34:01AM +0100, Fabrizio Castro wrote: > > This panel is handled through the generic lvds-panel bindings, > > so only needs its additional compatible specified. > > > > Some panel specific documentation can be found here: > > s/panel specific/panel-specific/ Will change > > > https://buy.advantech.eu/Displays/Embedded-LCD-Kits-High-Brightness/model-IDK-2121WR-K2FHA2E.htm > > > > Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx> > > --- > > .../display/panel/advantech,idk-2121wr.txt | 62 ++++++++++++++++++++++ > > 1 file changed, 62 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.txt > > > > diff --git a/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.txt > b/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.txt > > new file mode 100644 > > index 0000000..70b15b6 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.txt > > @@ -0,0 +1,62 @@ > > +Advantech Co., Ltd. IDK-2121WR 21.5" LVDS panel > > +=============================================== > > + > > +Required properties: > > +- compatible: should be "advantech,idk-2121wr" followed by "panel-lvds" > > + > > +This binding is compatible with the lvds-panel binding, which is specified > > +in panel-lvds.txt in this directory. > > How about adding "The panel operates in dual-link mode and thus requires > two port nodes." ? You are right, will add. > > > + > > +Example > > +------- > > + > > + panel { > > + compatible = "advantech,idk-2121wr", "panel-lvds"; > > + > > + width-mm = <476>; > > + height-mm = <268>; > > + > > + data-mapping = "vesa-24"; > > + > > + panel-timing { > > + clock-frequency = <148500000>; > > + hactive = <1920>; > > + vactive = <1080>; > > + hsync-len = <44>; > > + hfront-porch = <88>; > > + hback-porch = <148>; > > + vfront-porch = <4>; > > + vback-porch = <36>; > > + vsync-len = <5>; > > + }; > > + > > + ports { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + port@0 { > > + reg = <0>; > > + lvds0_panel_in: endpoint { > > + remote-endpoint = <&lvds0_out>; > > + }; > > + }; > > + > > + port@1 { > > + reg = <1>; > > + lvds1_panel_in: endpoint { > > + remote-endpoint = <&lvds1_out>; > > + }; > > + }; > > + }; > > + }; > > + > > + backlight: backlight { > > + compatible = "pwm-backlight"; > > + pwms = <&pwm5 0 50000>; > > + > > + brightness-levels = <0 4 8 16 32 64 128 255>; > > + default-brightness-level = <6>; > > + > > + power-supply = <®_12p0v>; > > + enable-gpios = <&gpio6 12 GPIO_ACTIVE_HIGH>; > > + }; > > I think you can drop the backlight here, it's a bit out of scope. Agreed. Thanks, Fab > > -- > Regards, > > Laurent Pinchart _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel